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CC751S Brass vs. SAE-AISI S7 Steel

CC751S brass belongs to the copper alloys classification, while SAE-AISI S7 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is CC751S brass and the bottom bar is SAE-AISI S7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
74
Tensile Strength: Ultimate (UTS), MPa 450
670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Melting Completion (Liquidus), °C 850
1460
Melting Onset (Solidus), °C 810
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 110
40
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 28
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 24
5.0
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.3
Embodied Energy, MJ/kg 46
31
Embodied Water, L/kg 330
65

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15
24 to 72
Strength to Weight: Bending, points 16
22 to 46
Thermal Diffusivity, mm2/s 35
11
Thermal Shock Resistance, points 15
22 to 66

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0.45 to 0.55
Chromium (Cr), % 0
3.0 to 3.5
Copper (Cu), % 62.7 to 66
0 to 0.25
Iron (Fe), % 0.25 to 0.5
91.6 to 94.9
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0.2 to 0.9
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 0 to 0.8
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.65 to 1.1
0.2 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.8
0
Vanadium (V), % 0
0 to 0.3
Zinc (Zn), % 27.9 to 35.6
0